Modular water tank



FIG. 1 is a front perspective view of a modular water tank embodying the concepts of the present design invention;

FIG. 2 is a top plan view of the modular water tank of FIG. 1;

FIG. 3 is a front elevational view of the modular water tank of FIG. 1;

FIG. 4 is a left side elevational view of the modular water tank of FIG. 1;

FIG. 5 is a right side elevational view of the modular water tank of FIG. 1; and,

FIG. 6 is a rear perspective view of the modular water tank of FIG. 1. 

CLAIM The ornamental design for a modular water tank, as shown and described. 